Question

tìm x:

x + 20 + 20 = 200 + 200 - 10

Answer 1

x+20+20=200+200-10

x+20+20=400-10

x+20+20=390

x+40      =390

            x=390-40

            x=350

chuc bn hoc gioi!

Answer 2

x + 20 + 20 = 200 + 200 - 10

x + 20 + 20 = 390

x + 40 = 390

        x = 390 - 40

        x = 350

Answer 3

x + 20 + 20 = 200 + 200 - 10

x + 20 + 20 = 390

x + 40 = 390

        x = 390 - 40

        x = 350

k mik 

Answer 4

x + 20 + 20 = 200 + 200 - 10

x + 40 = 400 - 10

x + 40 = 390

x = 390 - 40

x = 350

tích nha ori

Answer 5

x+20+20=200+200-10

x+20+20=390

x=390-20-20

x=350

k mik mik k lại cho mọi người nhé